daily update on 20240901 by nitload youmu

源代码/StgSharpDebug/Demo/Program.cs

@@ -35,6 +35,7 @@ using StgSharp.Graphics;
 
 using StgSharp.Math;
 using StgSharp.MVVM;
+using StgSharp.MVVM.ViewModel;
 
 using System;
 using System.Runtime.CompilerServices;
@@ -59,7 +60,7 @@ namespace StgSharp
 
                 ViewPort vp = new ViewPort();
 
-                ViewModelMain mainModel = new ViewModelMain(vp);
+                ViewModelBase mainModel = new ViewModelMain(vp);
                 mainModel.CreateAndBindView<ViewMain>("MainView", (1, 1, 1));
 
                 mainModel.UseViewModel("MainView");